Voliera, Fortress of Ru-Nora

When Voliera, Fortress of Ru-Nora enters the battlefield, tap it. You may search your library
and/or graveyard for a card named Rusyri, The Tyrant, and put it into your hand. If you do, this
card does not untap on its next untap step.
{t}: Add {w}, {u}, or {b}
{w}{u}{b}; {t}: Planeswalkers can't be attacked by creatures without Flying this turn.